Package org.bitcoinj.net.discovery

Interface PeerDiscovery

All Known Implementing Classes:

DnsDiscovery, DnsDiscovery.DnsSeedDiscovery, MultiplexingDiscovery, SeedPeers

public interface PeerDiscovery

A PeerDiscovery object is responsible for finding addresses of other nodes in the Bitcoin P2P network. Note that the addresses returned may or may not be accepting connections.

Method Summary

Modifier and Type	Method	Description
default java.util.List<java.net.InetSocketAddress>	getPeers(long services, long timeoutValue, java.util.concurrent.TimeUnit timeoutUnit)	Deprecated. use getPeers(long, Duration)
java.util.List<java.net.InetSocketAddress>	getPeers(long services, java.time.Duration timeout)	Queries for addresses.
void	shutdown()	Stops any discovery in progress when we want to shut down quickly.

Method Detail

getPeers

java.util.List<java.net.InetSocketAddress> getPeers(long services,
                                                    java.time.Duration timeout)
                                             throws PeerDiscoveryException

Queries for addresses. This method may block.

Parameters:

services - required services as a bitmask, e.g. VersionMessage.NODE_NETWORK

timeout - query timeout

Returns:

found addresses

Throws:

PeerDiscoveryException

getPeers

@Deprecated
default java.util.List<java.net.InetSocketAddress> getPeers(long services,
                                                            long timeoutValue,
                                                            java.util.concurrent.TimeUnit timeoutUnit)
                                                     throws PeerDiscoveryException

Deprecated.

use getPeers(long, Duration)

Throws:

PeerDiscoveryException

shutdown

void shutdown()

Stops any discovery in progress when we want to shut down quickly.